From 311b1e236a7a0825cbb3a97a1bb3e485b45062a0 Mon Sep 17 00:00:00 2001
From: Dave T <17680170+davet2001@users.noreply.github.com>
Date: Wed, 10 Jul 2024 22:50:47 +0100
Subject: [PATCH] Don't patch libraries that aren't installed in pytest
 (#121628)

---
 tests/components/conftest.py | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/tests/components/conftest.py b/tests/components/conftest.py
index 1fe933dbe12..7d15bde88c0 100644
--- a/tests/components/conftest.py
+++ b/tests/components/conftest.py
@@ -3,6 +3,7 @@
 from __future__ import annotations
 
 from collections.abc import Callable, Generator
+from importlib.util import find_spec
 from pathlib import Path
 from typing import TYPE_CHECKING, Any
 from unittest.mock import MagicMock, patch
@@ -20,9 +21,9 @@ if TYPE_CHECKING:
     from .switch.common import MockSwitch
 
 
-@pytest.fixture(scope="session", autouse=True)
+@pytest.fixture(scope="session", autouse=find_spec("zeroconf") is not None)
 def patch_zeroconf_multiple_catcher() -> Generator[None]:
-    """Patch zeroconf wrapper that detects if multiple instances are used."""
+    """If installed, patch zeroconf wrapper that detects if multiple instances are used."""
     with patch(
         "homeassistant.components.zeroconf.install_multiple_zeroconf_catcher",
         side_effect=lambda zc: None,
@@ -123,9 +124,9 @@ def mock_conversation_agent_fixture(hass: HomeAssistant) -> MockAgent:
     return mock_conversation_agent_fixture_helper(hass)
 
 
-@pytest.fixture(scope="session", autouse=True)
+@pytest.fixture(scope="session", autouse=find_spec("ffmpeg") is not None)
 def prevent_ffmpeg_subprocess() -> Generator[None]:
-    """Prevent ffmpeg from creating a subprocess."""
+    """If installed, prevent ffmpeg from creating a subprocess."""
     with patch(
         "homeassistant.components.ffmpeg.FFVersion.get_version", return_value="6.0"
     ):